html,
body {
  padding: 0;
  margin: 0;
}
header {
  height: 11.73333vw;
  // background-color: cyan;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4.8vw 0 3.06667vw;
  > div {
    display: flex;
    align-items: center;
  }
  .icon-bilibili {
    font-size: 7.73333vw;
    color: #fb7299;
  }
  .icon-sousuo {
    width: 5.06667vw;
    height: 5.06667vw;
    color: #ccc;
  }
  .btn-login {
    height: 6.4vw;
    width: 6.4vw;
    margin-left: 5.3333vw;
  }
  .btn-app {
    width: 19.06667vw;
    height: 6.26667vw;
    margin-left: 5.3333vw;
  }
}
nav {
  padding: 0 4.8vw 0 3.06667vw;
  height: 10.66667vw;
  // background-color: pink;
  display: flex;
  justify-content: space-between;
  line-height: 10.66667vw;
  color: #505050;
  font-size: 3.73333vw;
  border-bottom: 0.13333vw solid #efefef;
  .active {
    color: #fb7299;
  }
}
.list {
  display: flex;
  flex-wrap: wrap;
  padding: 0 2.66667vw;
  justify-content: space-between;
  .item {
    position: relative;
    width: 46vw;
    font-size: 3.2vw;
    img {
      width: 100%;
      border-radius: 0.53333vw;
      display: block;
    }
    .count-box {
      height: 5.33333vw;
      background: linear-gradient(rgba(0, 0, 0, 0), #000);
      color: #fff;
      position: absolute;
      top: 20.53333vw;
      width: 100%;
      display: flex;
      justify-content: space-between;
      padding: 0 1.73333vw;
      box-sizing: border-box;
      padding: 0 1.73333vw;
      > span {
        display: flex;
        align-items: flex-start;
      }
    }
  }
  .title {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    margin: 1.6vw 0;
  }
}
footer {
  font-size: 3.73333vw;
  color: #999;
  margin: 5.33333vw 0;
  text-align: center;
}
.fixed-top {
  position: sticky;
  top: 0;
  z-index: 1;
  background-color: #fff;
}
